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Finding the Fourth Proportional to 288,751.01, 432,960.26 and 111,234.92

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Solution

The fourth proportional to 288,751.01, 432,960.26 and 111,234.92 is: 166,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,751.01 : 432,960.26 = 111,234.92 : x
  2. Step 2: Convert to fraction form
    288,751.01/432,960.26 = 111,234.92/x
  3. Step 3: Cross multiply
    288,751.01x = 432,960.26 × 111,234.92
  4. Step 4: Simplify right side
    288,751.01x = 48,160,297,163.30
  5. Step 5: Solve for x
    x = 48,160,297,163.30/288,751.01
  6. Step 6: Final answer
    x = 166,788.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.